Round|Natural|GIA

1.11ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2566116791

Certificate GIA 2566116791

Diamond specifications and retailer prices

From £1,913 GBP

$2,567 USD

As of November 2, 2026

Save £2,625 GBP (58%) vs most expensive(unlock to see where)

23 retailers carry this diamond

Most expensive: £4,538 GBP at NZ Jewellers · As of November 2, 2026

View at NZ Jewellers

About this 1.11ct natural round diamond

This 1.11ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566116791. Listed at 23 retailers as of November 2, 2026, with prices from £1,913 to £4,538, a £2,625 spread on the same certified stone. NZ Jewellers lists it at £4,538. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.11

Carat

Colour

SI1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle31.5°

Pavilion angle41.8°

OriginNatural

Grading LabGIA

CertificateGIA 2566116791

Dimensions6.75 × 6.78 × 4.08 mm

L/W Ratio1.00

Girdle conditionFaceted

Culet sizeNone

Key to symbols

Cloud, Crystal, Feather, Needle

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 2566116791

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

Unlock full score analysis

See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2

Current: £2,329 GBP|Low: £1,747 GBP|High: £3,630 GBP|Avg: £2,303 GBP|+15.7%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Retailer 14

Retailer 15

Retailer 16

Retailer 17

November 2, 2026

Retailer 4£1,747 GBP

Retailer 3£1,913 GBP

Retailer 8£1,926 GBP

Retailer 14£1,938 GBP

Retailer 6£1,980 GBP

Retailer 9£2,111 GBP

Retailer 15£2,154 GBP

Retailer 16£2,154 GBP

Retailer 12£2,171 GBP

Retailer 1£2,329 GBP

Retailer 10£2,401 GBP

Retailer 5£2,412 GBP

Retailer 13£2,488 GBP

Retailer 7£2,500 GBP

Retailer 17£2,613 GBP

Retailer 2£3,159 GBP

Retailer 11£3,630 GBP

31 data points across 17 retailers

23 retailers£1,913 GBP to £4,538 GBP

Retailer 1

£1,747 GBP

$2,344 USD

Price last confirmed 18 days ago

Retailer 2

£1,913 GBP

$2,567 USD

View

Retailer 3

£1,926 GBP

$2,585 USD

View

Price last confirmed 11 days ago

Retailer 4

£1,938 GBP

$2,601 USD

View

Retailer 5

£1,950 GBP

$2,617 USD

View

Price last confirmed 13 days ago

Retailer 6

£1,950 GBP

$2,617 USD

View

Price last confirmed 17 days ago

Retailer 7

£1,980 GBP

$2,657 USD

View

Price last confirmed 15 days ago

Retailer 8

£2,025 GBP

$2,718 USD

View

Price last confirmed 18 days ago

B+

Retailer 9

£2,111 GBP

A$4,358 AUD

View

B+

Retailer 10

£2,154 GBP

$2,890 USD

View

B+

Retailer 11

£2,154 GBP

$2,890 USD

View

B+

Retailer 12

£2,171 GBP

CA$4,046 CAD

View

Retailer 13

£2,250 GBP

$3,020 USD

View

Price last confirmed 12 days ago

B+

Retailer 14

£2,329 GBP

View

B+

Retailer 15

£2,401 GBP

€3,069 EUR

View

Retailer 16

£2,412 GBP

A$4,980 AUD

View

Price last confirmed 25 days ago

B+

Retailer 17

£2,488 GBP

$3,339 USD

View

Retailer 18

£2,500 GBP

$3,355 USD

View

Price last confirmed 19 days ago

Retailer 19

£2,613 GBP

ZAR 56,657 ZAR

View

Price last confirmed 16 days ago

Retailer 20

£3,159 GBP

$4,239 USD

View

Price last confirmed 14 days ago

Retailer 21

£3,630 GBP

View

Retailer 22

£4,501 GBP

$6,040 USD

View

Price last confirmed 13 days ago

Most Expensive

NZ Jewellers

8fcd8018-1513-4672-a527-f4185ff9f51c · Nov 2

£4,538 GBP

$6,090 USD

View

22 more retailers have this diamond

Prices start from £1,913 GBPSave up to £2,625 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

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1.11ct Round

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